TEST BANK For Radiologic Science for Technologists, 12th Edition by Stewart C Bushong | Chapters 1 - 40, Complete

TEST BANK For Radiologic Science for Technologists, 12th Edition by Stewart C Bushong | Chapters 1 - 40, Complete. 5. Radio waves, light, and x-rays are all examples of energy. a. nuclear b. thermal c. electrical d. electromagnetic ANS: D Electromagnetic energy includes radio waves, light, and x-rays as well as other parts of the spectrum. 6. A moving object has energy. a. potential b. kinetic c. nuclear d. electromagnetic ANS: B A moving object has kinetic energy. 7. What is the removal of an electron from an atom called? Medical x-ray exposure is the biggest source of man-made radiation. 11. In the United States, we are exposed to _ mSv/year of ionizing radiation from the natural environment. a. 0 to 5 b. 5 to 20 c. 20 to 90 d. 100 to 300 ANS: A We are exposed to about 3 mSv/yr of ionizing radiation from natural environmental sources in the United States. 12. Today, radiology is considered to be a(n) occupation. a. safe b. unsafe c. dangerous d. high-risk ANS: A 13. 16. Filtration is used to a. absorb low-energy x-rays b. remove high-energy x-rays c. restrict the useful beam to the body part imaged d. fabricate gonadal shields ANS: A Filtration is used to absorb low-energy x-rays. TRUE/FALSE 1. Mass is the quantity of matter as described by its energy equivalence. ANS: T Mass is the quantity of matter as described by its energy equivalence. 2. Radiation is the removal of an electron from an atom. 3. What is the decimal equivalent of the proper fraction 4/1000? a. 0004 b. 004 c. 04 d. 4 ANS: B The decimal equivalent of the proper fraction 4/1000 is .004. 4. What is the decimal equivalent of the improper fraction 289/74?